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23240024015 = 513227502987
BaseRepresentation
bin10101101001001101…
…101001111111001111
32012222122012112122012
4111221031221333033
5340043421232030
614402030211435
71451623642025
oct255115517717
965878175565
1023240024015
11994642a01a
124607053b7b
132264a1ac00
1411a672c715
15910423095
hex569369fcf

23240024015 has 12 divisors (see below), whose sum is σ = 30198280824. Its totient is φ = 17161863264.

The previous prime is 23240024011. The next prime is 23240024023. The reversal of 23240024015 is 51042004232.

It is a happy number.

It is not a de Polignac number, because 23240024015 - 22 = 23240024011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23240024011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13750649 + ... + 13752338.

It is an arithmetic number, because the mean of its divisors is an integer number (2516523402).

Almost surely, 223240024015 is an apocalyptic number.

23240024015 is a deficient number, since it is larger than the sum of its proper divisors (6958256809).

23240024015 is a wasteful number, since it uses less digits than its factorization.

23240024015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27503018 (or 27503005 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 23240024015 its reverse (51042004232), we get a palindrome (74282028247).

The spelling of 23240024015 in words is "twenty-three billion, two hundred forty million, twenty-four thousand, fifteen".

Divisors: 1 5 13 65 169 845 27502987 137514935 357538831 1787694155 4648004803 23240024015